A:
Positive:
1 x 129505255 x 25901057 x 185007525 x 51802135 x 37001543 x 301175175 x 74003215 x 60235301 x 430251075 x 120471505 x 86051721 x 7525
Negative:
-1 x -12950525-5 x -2590105-7 x -1850075-25 x -518021-35 x -370015-43 x -301175-175 x -74003-215 x -60235-301 x -43025-1075 x -12047-1505 x -8605-1721 x -7525
Unfortunately, there's not simple formula to identifying all of the factors of a number and it can be a tedious process when trying to identify the divisors of larger numbers. To find the factor combinations of the number 12,950,525, it is easier to work with a table - it's called factoring from the outside in.
We start by creating a table and writing 1 on the left side and then the number we're trying to find the factors for on the right side in a table. Then, below that, write the numbers as a negative as well.
| 1 | 12,950,525 | |
| -1 | -12,950,525 |
When you multiply two negative numbers together, you get a positive number. That means both the positive and negative numbers are factors of 12,950,525.
Example:
1 x 12,950,525 = 12,950,525
and
-1 x -12,950,525 = 12,950,525
Notice both answers equal 12,950,525
With that explanation out of the way, let's continue. Next, we take the number 12,950,525 and divide it by 2:
12,950,525 ÷ 2 = 6,475,262.5
If the quotient is a whole number, then 2 and 6,475,262.5 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 12,950,525 | |
| -1 | -12,950,525 |
Now, we try dividing 12,950,525 by 3:
12,950,525 ÷ 3 = 4,316,841.6667
If the quotient is a whole number, then 3 and 4,316,841.6667 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 12,950,525 | |
| -1 | -12,950,525 |
Let's try dividing by 4:
12,950,525 ÷ 4 = 3,237,631.25
If the quotient is a whole number, then 4 and 3,237,631.25 are factors. In this case, the quotient is not a whole number. Don't write anything down and try the next divisor.
Here is what our table should look like at this step:
| 1 | 12,950,525 | |
| -1 | 12,950,525 |
If you did it right, you will end up with this table:
| 1 | 5 | 7 | 25 | 35 | 43 | 175 | 215 | 301 | 1,075 | 1,505 | 1,721 | 7,525 | 8,605 | 12,047 | 43,025 | 60,235 | 74,003 | 301,175 | 370,015 | 518,021 | 1,850,075 | 2,590,105 | 12,950,525 |
| -1 | -5 | -7 | -25 | -35 | -43 | -175 | -215 | -301 | -1,075 | -1,505 | -1,721 | -7,525 | -8,605 | -12,047 | -43,025 | -60,235 | -74,003 | -301,175 | -370,015 | -518,021 | -1,850,075 | -2,590,105 | -12,950,525 |
Here are some more numbers to try:
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